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Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
E-39 Quizon is an army of construction robots with four arms with various tools.
Doctor Eggman used them to build a theme park in his image, and when Sonic the Hedgehog arrived they combine into a long snake-like robot called Serpenter, that was destroyed by Amy. A Quizon is one meter (3 feet) tall and weighs 150 kg (330 lbs).